diff --git a/changelog-entries/220.md b/changelog-entries/220.md
new file mode 100644
index 00000000..41f36cdf
--- /dev/null
+++ b/changelog-entries/220.md
@@ -0,0 +1 @@
+- Check strict naming scheme for meshes in replay mode, mesh file names must include `.dt<N>` with `<N>` the coupling iteration. This is to allow numbers elsewhere in the file name or path.
diff --git a/src/modes.cpp b/src/modes.cpp
index 97973ac6..40ce4e34 100644
--- a/src/modes.cpp
+++ b/src/modes.cpp
@@ -67,7 +67,8 @@ void aste::runReplayMode(const aste::ExecutionContext &context, const std::strin
 
   ASTE_DEBUG << "Looking for dt = " << asteConfiguration.startdt;
   for (const auto &mesh : asteConfiguration.asteInterfaces.front().meshes) {
-    if (mesh.filename().find(std::to_string(asteConfiguration.startdt)) == std::string::npos)
+    auto meshfilename = std::filesystem::path(mesh.filename()).filename().string();
+    if (meshfilename.find(".dt" + std::to_string(asteConfiguration.startdt)) == std::string::npos)
       round++;
     else
       break;